Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

71320981 (number)

71320981 is an odd 8-digits composite number following 71320980 and preceding 71320982. In scientific notation, it is written as 7.1320981 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 71271532 positive integers (up to 71320981) that are relatively prime to 71320981.

Interesting facts

71320981 has 4 divisors, whose sum is 71370432
The reverse of 71320981 is 18902317
Previous prime number is 1487

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4

Name

Name	seventy-one million three hundred twenty thousand nine hundred eighty-one

Notation

Scientific notation	7.1320981 × 10^7
Engineering notation	7.1320981 × 10^6

Prime Factorization of 71320981

Prime Factorization 1487 × 47963

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	71320981	Product of the distinct prime numbers

The prime factorization of 71320981 is 1487 × 47963. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 3, 27, 83, 47, 321, 4096, 5225, 21797, 88897, 338289, 298722, 4903758, 4160784, 9164122, 25434283, 380010536, 347418599, 5070802767, 8447734024

Basic calculations (n = 71320981)

Multiplication

n×y

n×2	142641962
n×3	213962943
n×4	285283924
n×5	356604905

Division

n÷y

n÷2	35660490.5
n÷3	23773660.333333
n÷3	17830245.25
n÷5	14264196.2

Exponentiation

n^y

n²	5086682330802361
n³	3.6278717386819E+23
n⁴	2.5874337134497E+31
n⁵	1.8453831071571E+39

Nth Root

^y√n

²√n	8445.1750129882
³√n	414.70483874991
⁴√n	91.897633337253
⁵√n	37.208611303909

Divisors of 71320981

1, 1487, 47963, 71320981

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-71320980	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	1	Returns the nth root of the product of n divisors
H	Harmonic Mean	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 71320981 can be divided by 4 positive divisors. The sum of these divisors (counting 71320981) is 1, the average is 0.25.

Base conversion 71320981

Base	System	Value
2	Binary	100010000000100010110010101
3	Ternary	11222012110222211
4	Quaternary	10100010112111
5	Quinary	121224232411
6	Senary	11024353421
8	Octal	420042625
10	Decimal	71320981
12	Duodecimal	1ba75871
16	Hexadecimal	4404595
20	Vigesimal	125f291
36	Base36	16gnmd

Cryptographic Hash Functions

md5	6aa66889327513ed4665c85048fef34a
sha1	670f6f2a77871ad8d8d6c325cf0b4b9569bcf9b3
sha256	fcabf90533a0b854a8e330d337f19f186a56008cd0a50ff95179eb4d3498b776
sha512	a38ac55679b3daebd8efbcf52655342b6e92e43fc11c9f479f13161b578aaf0559b2f6db7116a55413ff1adec73df9ad4c83ec1c7964fde9a0ca56c16dc49dba
ripemd-160	1bf1fd011dabfea903c00a099b191cf0fa4f7023

71320981 as geometric shapes

Circle

Radius = n

Diameter	142641962
Circumference	448122939.91283
Area	1.5980283841594E+16

Sphere

Radius = n

Volume	1.5196393603212E+24
Surface area	6.3921135366375E+16
Circumference	448122939.91283

Square

Length = n

Perimeter	285283924
Area	5086682330802361
Diagonal	100863098.61195

Cube

Length = n

Surface area	30520093984814166
Volume	3.6278717386819E+23
Space diagonal	123531562.73765

Equilateral Triangle

Length = n

Perimeter	213962943
Area	2.2025980597281E+15
Altitude	61765781.368827

Triangular Pyramid

Length = n

Surface area	2.2025980597281E+15
Volume	4.2754878461617E+22
Height	33621032.870651